m68k: exclude more unbuildable drivers

anything that wants working dma-mapping won't work
parport_pc won't work on m68k unless we have ISA

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 684de4c..20a9c08 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -49,6 +49,9 @@
 config NO_IOPORT
 	def_bool y
 
+config NO_DMA
+	def_bool SUN3
+
 mainmenu "Linux/68k Kernel Configuration"
 
 source "init/Kconfig"